fix: Fixes white space next to sidebar (#544)

Co-authored-by: Chris Baudouin, Jr <[email protected]>

Author: JeremyRudman

app/views/layouts/manage/application.html.haml

@@ -143,7 +143,7 @@
                     = t(:title, scope: 'pages.manage.data-exports')
                     .nav-item-description
                       = t(:dataexports, scope: 'layouts.manage.navigation.descriptors')
-        %main.col-md-9.ml-sm-auto.px-4{role: "main"}
+        %main.col-md-9.ml-sm-auto.px-4.col-xl-10.col-lg-9{role: "main"}
           = render "layouts/manage/flashes"
           = yield
           %div.mb-4.text-center